55303115412 has 24 divisors (see below), whose sum is σ = 136631226816. Its totient is φ = 17349996928.

The previous prime is 55303115383. The next prime is 55303115423. The reversal of 55303115412 is 21451130355.

It is a self number, because there is not a number n which added to its sum of digits gives 55303115412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135546648 + ... + 135547055.

It is an arithmetic number, because the mean of its divisors is an integer number (5692967784).

Almost surely, 2^55303115412 is an apocalyptic number.

It is an amenable number.

55303115412 is an abundant number, since it is smaller than the sum of its proper divisors (81328111404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55303115412 is a wasteful number, since it uses less digits than its factorization.

55303115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271093727 (or 271093725 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 55303115412 its reverse (21451130355), we get a palindrome (76754245767).

The spelling of 55303115412 in words is "fifty-five billion, three hundred three million, one hundred fifteen thousand, four hundred twelve".